Data Acquisition - Digital to Analog Converters (DAC)

Image Part Number Description / PDF Quantity Rfq
CS4339-KSZR

CS4339-KSZR

Cirrus Logic

IC DAC 24BIT V-OUT 8SOIC

0

CS4340A-KS

CS4340A-KS

Cirrus Logic

24-BIT, 192 KHZ STEREO DAC

54877

CS4334-DSZR

CS4334-DSZR

Cirrus Logic

IC DAC 24BIT V-OUT 8SOIC

0

CS4340-KS

CS4340-KS

Cirrus Logic

STEREO DAC FOR DIGITAL AUDIO

12483

CS4360-KS

CS4360-KS

Cirrus Logic

24-BIT, 192 KHZ 6 CHANNEL DAC

19794

CS4329-KP

CS4329-KP

Cirrus Logic

STEREO DAC FOR DIGITAL AUDIO

20097

CS43131-CWZR

CS43131-CWZR

Cirrus Logic

IC DAC 32BIT V-OUT 42WLCSP

0

CS4334-KSR

CS4334-KSR

Cirrus Logic

8-PIN, 24-BIT, 96 KHZ STEREO DAC

86000

CS4338-KSZR

CS4338-KSZR

Cirrus Logic

IC DAC 24BIT V-OUT 8SOIC

0

CS4340-BS

CS4340-BS

Cirrus Logic

STEREO DAC FOR DIGITAL AUDIO

1175

CS4392-KZ

CS4392-KZ

Cirrus Logic

D/A CONVERTER, 1 FUNC, SERIAL IN

23464

CS43130-CNZ

CS43130-CNZ

Cirrus Logic

IC DAC 32BIT ANLG A/V-OUT 40QFN

0

CS5510-AS

CS5510-AS

Cirrus Logic

16-BIT DELTA SIGMA ADC

679

CS4392-KS

CS4392-KS

Cirrus Logic

D/A CONVERTER, 1 FUNC, SERIAL IN

961

CS4335-KSZ

CS4335-KSZ

Cirrus Logic

IC DAC 24BIT V-OUT 8SOIC

410

CS4333-KS

CS4333-KS

Cirrus Logic

STEREO DAC FOR DIGITAL AUDIO

133197

CS43L41-KZ

CS43L41-KZ

Cirrus Logic

24-BIT, 192 KHZ STEREO DAC

1253

CS4391A-KS

CS4391A-KS

Cirrus Logic

24-BIT, 192 KHZ STEREO DAC

22156

CS43131-CNZR

CS43131-CNZR

Cirrus Logic

IC DAC 32BIT V-OUT 40QFN

0

CS4341-KSZR

CS4341-KSZR

Cirrus Logic

24-BIT, 192 KHZ STEREO DAC

8000

Data Acquisition - Digital to Analog Converters (DAC)

1. Overview

Digital-to-Analog Converters (DACs) are semiconductor devices that convert digital signals into analog voltages or currents. They serve as critical interfaces between digital systems and real-world analog environments. DACs are essential in applications requiring precise control of analog outputs, such as audio processing, industrial automation, and communication systems. Their performance directly impacts signal fidelity, system accuracy, and overall efficiency in data acquisition chains.

2. Main Types and Functional Classification

TypeFunctional CharacteristicsApplication Examples
Current-Steering DACHigh-speed operation using switched current sourcesRF signal generation, high-speed test equipment
Voltage-Output DACDirect voltage generation with built-in amplifiersProcess control, sensor calibration
Multiplixing DACSupports variable reference inputs for signal modulationDigital gain control, programmable power supplies
Pipeline DACSegmented architecture for high sample ratesCommunication transmitters, video processing
Sigma-Delta ( - ) DACHigh-resolution with noise shaping techniquesAudio systems, precision measurement instruments

3. Structure and Components

A typical DAC IC comprises: - Digital Interface (SPI, I2C, or parallel bus) - Decoder Circuitry for binary/thermometer code conversion - Resistor/Capacitor Arrays for weighted signal summation - Switch Matrix controlling current/voltage paths - Output Amplifier conditioning the analog signal - Reference Voltage Source ensuring conversion stability Modern DACs often integrate calibration logic and temperature compensation circuits in QFN, TSSOP, or BGA packages.

4. Key Technical Specifications

ParameterSignificance
Resolution (bits)Determines the smallest analog change (e.g., 12-bit 4096 steps)
Sample Rate (SPS)Maximum conversion speed (up to 10 GSPS in RF DACs)
Integral Nonlinearity (INL)Measures deviation from ideal transfer function
Differential Nonlinearity (DNL)Indicates step size consistency
Settling TimeTime to stabilize output after digital input change
Power ConsumptionCrucial for portable/battery-powered systems

5. Application Areas

Main industries include: - Consumer Electronics: Smartphones (audio DACs), streaming devices - Industrial Automation: PLC systems, CNC machine control - Medical Equipment: MRI imaging systems, patient monitoring - Telecommunications: Optical modems, 5G base stations - Test & Measurement: Signal generators, oscilloscopes - Automotive: EV battery management, ADAS sensor calibration

6. Leading Manufacturers and Products

ManufacturerRepresentative ProductKey Features
Texas InstrumentsDAC38J8416-bit, 2.5 GSPS RF DAC with JESD204B interface
Analog DevicesAD575516-channel, industrial voltage/current output DAC
Maxim IntegratedMAX513410-bit, 1.8V low-power video DAC
Nordic SemiconductornRF21540RF front-end with integrated DAC for IoT devices

7. Selection Guidelines

Key considerations: - Match resolution and speed requirements (e.g., audio vs. RF applications) - Evaluate output type (current/voltage) and drive capability - Assess linearity specifications (INL/DNL) for precision needs - Consider power budget and thermal management - Verify digital interface compatibility (SPI, I2C, etc.) - Temperature range and package type for environmental conditions - Calibration features for long-term stability

8. Industry Trends

Current development directions include: - Integration with ADCs and signal processors in SoC solutions - Advancements in R-2R ladder architectures for higher precision - Development of radiation-hardened DACs for aerospace applications - Energy-efficient designs for IoT edge devices - Expansion of AI-driven calibration algorithms - Adoption of advanced packaging (e.g., 3D stacking) for higher density Market growth is driven by 5G infrastructure, autonomous vehicles, and industrial IoT deployments requiring high-speed, high-accuracy signal conversion.

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